Home / 9,428,421.12-13,011,533.76-5,299,170.56

Finding the Fourth Proportional to 9,428,421.12, 13,011,533.76 and 5,299,170.56

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Solution

The fourth proportional to 9,428,421.12, 13,011,533.76 and 5,299,170.56 is: 7,313,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428,421.12 : 13,011,533.76 = 5,299,170.56 : x
  2. Step 2: Convert to fraction form
    9,428,421.12/13,011,533.76 = 5,299,170.56/x
  3. Step 3: Cross multiply
    9,428,421.12x = 13,011,533.76 × 5,299,170.56
  4. Step 4: Simplify right side
    9,428,421.12x = 68,950,336,641,438.10
  5. Step 5: Solve for x
    x = 68,950,336,641,438.10/9,428,421.12
  6. Step 6: Final answer
    x = 7,313,031.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.